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Geomagnetic activity in March 1979
Mean Ap18.6No. 191 of 1138
G1+ days11
G3+ days3
Max Ap6829 Mar 1979
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Mar 1979 | 5o | 27 | G1 |
| 6 Mar 1979 | 5- | 30 | G1 |
| 10 Mar 1979 | 7o | 54 | G3 |
| 11 Mar 1979 | 5+ | 18 | G1 |
| 17 Mar 1979 | 6- | 21 | G2 |
| 22 Mar 1979 | 7- | 45 | G3 |
| 26 Mar 1979 | 5- | 26 | G1 |
| 28 Mar 1979 | 6- | 39 | G2 |
| 29 Mar 1979 | 7- | 68 | G3 |
| 30 Mar 1979 | 5o | 16 | G1 |
| 31 Mar 1979 | 5+ | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1978 | 16.5 | 9 | 2 |
| March 1979 | 18.6 | 11 | 3 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Mean Ap 18.6 in March 1979, No. 191 of 1138 months since 1932; 11 days reached G1 or higher.